Which term refers to the specialized male gametophyte of seed plants, such as gymnosperms?
a. pollen grain
b. strobilus
c. sporopollenin
d. ovule
Ans: a. pollen grain
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____________________ Indicate whether the statement is true or false.
What are the ecological consequences of acidification of rain and oceans?
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The seminal vesicles, prostate and bulbourethral glands,
A. produce semen. B. cause ejaculation. C. are secondary sex characteristics. D. produce hormones.